Just like when you upgrade to one of the best Wi-Fi routers, buying your own cable modem means that you won’t have to pay monthly equipment rental fees to your internet service provider.

The classic serial null-modem cable was, among other things, used to connect two computers together for communications and file transfer. Largely eliminated in daily use by the advent of home ...

just leaving the UART on this IBM PCMCIA modem and replaced it with a SMD MAX241 ttl-rs232 converter. He added a new end to the original cable and ended up with a nice, finished PCMCIA serial port ...